ceph/src/dpdk/examples/ip_pipeline/pipeline/pipeline_common_be.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
   5  *   All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Intel Corporation nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <rte_common.h>
  35 #include <rte_malloc.h>
  36
  37 #include "pipeline_common_be.h"
  38
  39 void *
  40 pipeline_msg_req_ping_handler(__rte_unused struct pipeline *p,
  41         void *msg)
  42 {
  43         struct pipeline_msg_rsp *rsp = msg;
  44
  45         rsp->status = 0; /* OK */
  46
  47         return rsp;
  48 }
  49
  50 void *
  51 pipeline_msg_req_stats_port_in_handler(struct pipeline *p,
  52         void *msg)
  53 {
  54         struct pipeline_stats_msg_req *req = msg;
  55         struct pipeline_stats_port_in_msg_rsp *rsp = msg;
  56         uint32_t port_id;
  57
  58         /* Check request */
  59         if (req->id >= p->n_ports_in) {
  60                 rsp->status = -1;
  61                 return rsp;
  62         }
  63         port_id = p->port_in_id[req->id];
  64
  65         /* Process request */
  66         rsp->status = rte_pipeline_port_in_stats_read(p->p,
  67                 port_id,
  68                 &rsp->stats,
  69                 1);
  70
  71         return rsp;
  72 }
  73
  74 void *
  75 pipeline_msg_req_stats_port_out_handler(struct pipeline *p,
  76         void *msg)
  77 {
  78         struct pipeline_stats_msg_req *req = msg;
  79         struct pipeline_stats_port_out_msg_rsp *rsp = msg;
  80         uint32_t port_id;
  81
  82         /* Check request */
  83         if (req->id >= p->n_ports_out) {
  84                 rsp->status = -1;
  85                 return rsp;
  86         }
  87         port_id = p->port_out_id[req->id];
  88
  89         /* Process request */
  90         rsp->status = rte_pipeline_port_out_stats_read(p->p,
  91                 port_id,
  92                 &rsp->stats,
  93                 1);
  94
  95         return rsp;
  96 }
  97
  98 void *
  99 pipeline_msg_req_stats_table_handler(struct pipeline *p,
 100         void *msg)
 101 {
 102         struct pipeline_stats_msg_req *req = msg;
 103         struct pipeline_stats_table_msg_rsp *rsp = msg;
 104         uint32_t table_id;
 105
 106         /* Check request */
 107         if (req->id >= p->n_tables) {
 108                 rsp->status = -1;
 109                 return rsp;
 110         }
 111         table_id = p->table_id[req->id];
 112
 113         /* Process request */
 114         rsp->status = rte_pipeline_table_stats_read(p->p,
 115                 table_id,
 116                 &rsp->stats,
 117                 1);
 118
 119         return rsp;
 120 }
 121
 122 void *
 123 pipeline_msg_req_port_in_enable_handler(struct pipeline *p,
 124         void *msg)
 125 {
 126         struct pipeline_port_in_msg_req *req = msg;
 127         struct pipeline_msg_rsp *rsp = msg;
 128         uint32_t port_id;
 129
 130         /* Check request */
 131         if (req->port_id >= p->n_ports_in) {
 132                 rsp->status = -1;
 133                 return rsp;
 134         }
 135         port_id = p->port_in_id[req->port_id];
 136
 137         /* Process request */
 138         rsp->status = rte_pipeline_port_in_enable(p->p,
 139                 port_id);
 140
 141         return rsp;
 142 }
 143
 144 void *
 145 pipeline_msg_req_port_in_disable_handler(struct pipeline *p,
 146         void *msg)
 147 {
 148         struct pipeline_port_in_msg_req *req = msg;
 149         struct pipeline_msg_rsp *rsp = msg;
 150         uint32_t port_id;
 151
 152         /* Check request */
 153         if (req->port_id >= p->n_ports_in) {
 154                 rsp->status = -1;
 155                 return rsp;
 156         }
 157         port_id = p->port_in_id[req->port_id];
 158
 159         /* Process request */
 160         rsp->status = rte_pipeline_port_in_disable(p->p,
 161                 port_id);
 162
 163         return rsp;
 164 }
 165
 166 void *
 167 pipeline_msg_req_invalid_handler(__rte_unused struct pipeline *p,
 168         void *msg)
 169 {
 170         struct pipeline_msg_rsp *rsp = msg;
 171
 172         rsp->status = -1; /* Error */
 173
 174         return rsp;
 175 }
 176
 177 int
 178 pipeline_msg_req_handle(struct pipeline *p)
 179 {
 180         uint32_t msgq_id;
 181
 182         for (msgq_id = 0; msgq_id < p->n_msgq; msgq_id++) {
 183                 for ( ; ; ) {
 184                         struct pipeline_msg_req *req;
 185                         pipeline_msg_req_handler f_handle;
 186
 187                         req = pipeline_msg_recv(p, msgq_id);
 188                         if (req == NULL)
 189                                 break;
 190
 191                         f_handle = (req->type < PIPELINE_MSG_REQS) ?
 192                                 p->handlers[req->type] :
 193                                 pipeline_msg_req_invalid_handler;
 194
 195                         if (f_handle == NULL)
 196                                 f_handle = pipeline_msg_req_invalid_handler;
 197
 198                         pipeline_msg_send(p,
 199                                 msgq_id,
 200                                 f_handle(p, (void *) req));
 201                 }
 202         }
 203
 204         return 0;
 205 }